4415991 has 8 divisors (see below), whose sum is σ = 5902704. Its totient is φ = 2936640.

The previous prime is 4415969. The next prime is 4415993. The reversal of 4415991 is 1995144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4415991 - 2¹¹ = 4413943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4415993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (737838).

Almost surely, 2^4415991 is an apocalyptic number.

4415991 is a deficient number, since it is larger than the sum of its proper divisors (1486713).

4415991 is a wasteful number, since it uses less digits than its factorization.

4415991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its digits is 6480, while the sum is 33.

The square root of 4415991 is about 2101.4259444482. The cubic root of 4415991 is about 164.0625257324.

The spelling of 4415991 in words is "four million, four hundred fifteen thousand, nine hundred ninety-one".